Lack of boosting action check
Turn off engine, and set the vacuum gauge reading at "0". Then, check the fluid pressure when brake pedal is depressed. The pressure must be greater than the standard value listed.
BRAKE PEDAL FORCE AND FLUID PRESSURE SPECIFICATION
| Brake pedal force | 147 N (15 kgf, 33 lb) | 294 N (30 kgf, 66 lb) |
| Fluid pressure | 588 kPa (6 kg/cm2 , 85 psi) | 1,569 kPa (16 kg/cm2 , 228 psi) |